The changing rooms have similar dimensions: a 355 m2 room to the home team, and a 270 m2 to the visiting team. The biggest has wooden cabinet with identification of athletes and a "community" cabinet to hold large numbers of objects. In the bathrooms there are two hot tubs and an individual one, for immersion. The Allianz Parque complex comes with a Multisport Building, erected where once was located the old gym club. The new building has about 10 thousand square meters, spread over 4 floors and is served by three elevators. Downstairs, there is a gymnasium with seating for approximately 1,500 fans built to host basketball, futsal and volleyball games. Two intermediate floors with about 2 thousand square meters each other were designed to receive multisport activities. On the rooftop, there is a synthetic grass pitch for football practice, with an area of almost 2,000 meters to over 48 meters high. An unprecedented architectural solution in Brazil allows the visitors to enjoy the outside scenery, good ventilation and much natural light. There is also a Multipurpose Building, designed based on the architectural concept developed by architect Tomás Taveira. It has approximately 13 thousand m2, spread over six floors plus ground floor. The building offers 8 changing rooms, 12 toilets and 6 elevators. The building facilities are for the use of club management, besides the indoor sports like judo and gymnastics; there is even a noble space on the top floor, which offers panoramic views of the club and the region. The attractions of Allianz Parque are open to the general public. Access to club facilities, however, remains restricted to members of the Sociedade Esportiva Palmeiras. Implementations On March 12, 2013, WTorre announced the acquisition of 64 high definition security cameras. The equipment, valued at R$15 million, is capable of performing face recognition of all visitors. The technology, which is used in high-traffic venues, such as airports in Europe and US, is able to immediately identify non-standard behaviors, i.e., fights and vandalism acts. The security software can archive images of faces to compare them later, even people using caps and goggles. In early 2014, the WTorre announced the acquisition of two high-definition video screens to be installed inside the stadium. With costs estimated at R$7 million, the equipment has a format, each with more than area. The screens are installed at the ends of lawns, behind the goals, enabling the